Quantum Gravity is a 5-book series with 5 primary works first released in 2006 with contributions by Justina Robson.
2006 • 18 Readers • 337 pages • 2.5
2007 • 3 Readers • 284 pages • 4
2008 • 2 Readers • 337 pages • 3
2009 • 1 Reader • 337 pages • 3
2010 • 2 Readers • 426 pages • 2